What kind of law do you practice?
Here's a thought.
Your friend didn't care enough about this to do anything for a few months. Your friend didn't care enough to get the name of the CSR they talked to. Your friend didn't care enough to keep a copy of the e-mail you drafted free of charge. Your friend doesn't care enough to put out the effort now.
Why do you care about this so much?
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"A day without Points/Miles is like a day without SUNSHINE"